Best Practice Guide for Warehouses 2008 - (Page 9) WAREHOUSE BUILDINGS Administrative Areas Conference Rooms • Use dual technology occupancy sensors in conference rooms for optimal detection of both small hand motion and larger body movement. • Always include switches for manual-on operation or to provide manual override control of the lighting. Cubicles • Control plug loads such as task lighting, computer monitors, portable fans and heaters with an occupancy sensor-controlled plug strip. • Mount personal occupancy sensor beneath binder bin or desk and position it to avoid detection of motion outside cubicle area. Kitchens/Lunch Rooms • Ceiling- or corner-mounted passive infrared occupancy sensors are typically used. Private Offices • Use ceiling-mounted, corner-mounted or wall switch passive infrared occupancy sensors for medium and small offices, dual technology sensors for larger offices. • Always include switches for manual-on operation or to provide manual override control of the lighting. • Set time delay to at least 15 minutes. Open Office • The best solution for open office areas is dependent upon the building size and the owner’s needs. For small, single floor office buildings or an open office area in a leased space, occupancy sensors are a good strategy. • For maximum energy efficiency after hours, lighting control zones should be designed to be as small as is reasonable, so that fewer lights are turned on at once and less energy is used. • When occupancy sensors are used in spaces with partitions, select ceiling-mounted ultrasonic sensors because they can detect motion over partition walls. Follow proper spacing guidelines for optimum sensor coverage. Restrooms • Use wall switch ultrasonic occupancy sensors for small individual restrooms, or restrooms with two stalls. • Use ceiling-mounted ultrasonic sensors for restrooms with more than two stalls to ensure detection. • Always mount ultrasonic occupancy sensors at least six to eight feet away from HVAC ducts on vibration free surfaces and locate sensors to prevent detection through the door or opening of the space. • Control exhaust fan using the integral isolated relay in the occupancy sensor. Locker Rooms • Use ceiling-mounted ultrasonic occupancy sensors to ensure detection around restroom stalls and lockers. • Always mount ultrasonic occupancy sensors at least six to eight feet away from HVAC ducts on vibration free surfaces and locate sensors to prevent detection through the door or opening of the space. • Control exhaust fan using the integral isolated relay in the occupancy sensor. Exterior • Use a lighting control panel with time clock and photocell to turn selected lighting on at dusk and off at dawn. Turn non-security lighting off earlier in the evening for energy savings. • Circuit lighting fixtures to be controlled in logical groups by the lighting control panel, according to the needs of the application. For example, circuit entry lighting separately so that it can turn on earlier than parking lot lighting. www.wattstopper.com • 800.879.8585 9 http://www.wattstopper.com http://www.wattstopper.com
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